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Finding the Fourth Proportional to 2,192.64, 3,024.16 and 1,492.80

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Solution

The fourth proportional to 2,192.64, 3,024.16 and 1,492.80 is: 2,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.64 : 3,024.16 = 1,492.80 : x
  2. Step 2: Convert to fraction form
    2,192.64/3,024.16 = 1,492.80/x
  3. Step 3: Cross multiply
    2,192.64x = 3,024.16 × 1,492.80
  4. Step 4: Simplify right side
    2,192.64x = 4,514,466.05
  5. Step 5: Solve for x
    x = 4,514,466.05/2,192.64
  6. Step 6: Final answer
    x = 2,058.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.